CarsRegenerative braking: what energy it recovers and how it works
What energy regenerative braking transforms, how it is stored in the battery, and what the examples from Porsche and Dacia show.
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Explore the world of motoring
Explore brings together information for informed vehicle decisions. Start with the intended use and market, then check each guide’s sources and review date.
Where to start
49 articles
Cars
CarsEuro Level and DGT Badge: Which Documents to Consult
We explain what the conformity certificate proves, when the DGT requires a manufacturer’s certificate for Euro level annotation, and why the environmental badge differs from the Euro level.
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Rail & special vehiclesRegenerative braking on trains: when energy is recovered
What happens to the electricity generated when a train brakes, and why recovering it depends on the grid, other trains and the equipment installed.
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Light mobilityMid-drive or hub motor: how to choose an electric bike
Motor location matters, but it is not the only deciding factor. Learn what to check in the specifications and how to match your choice to your hills, pace and maintenance needs.
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CarsLoaded car and consumption: weight, luggage and trip aerodynamics
Weight, roof racks, roof boxes, bike carriers and trailers do not affect consumption in the same way. We explain what to check to travel safely when fully loaded, without drawing hasty conclusions from a single route.
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CarsUsed car mileage: how to check it is consistent before buying
Learn how to compare a used car’s mileage against the DGT report, ITV records, Spanish circulation permit and maintenance history before completing the purchase.
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BusesUrban electric bus: how to check whether a route is viable
The advertised range is not enough to make a decision. This documentary checklist helps assess the shift, bus configuration, charging and available power before a tender.
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CarsWLTP car consumption: how to compare figures without drawing the wrong conclusions
A guide to understanding which WLTP figure to compare, how to interpret a range, and which version details can change official consumption and emissions.
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CarsCar for high-mileage motorway driving: what to choose and check before buying
The right car for frequent motorway travel is chosen by matching your real routes with comfort, WLTP consumption, range, capacity, driver aids and ownership costs. This guide provides a method for comparing new and used cars without relying solely on the engine badge.
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CarsLane departure warning, lane keeping or lane centring: what each assistant does
Not all lane-assistance systems do the same thing. Learn to distinguish warnings, corrections and centring, their limitations and what to check before buying.
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BoatingMotorboat, RIB or cruiser: how to choose a boat
Choosing between a motorboat, RIB and cruiser depends less on the brand than on your trips, passengers, nights aboard, berth and the documented limits of each specific boat.
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MotorcyclesUsed electric motorcycle: what to check on battery, charging and warranty
A guide to verifying the identity, history, warranty and charging system of a used electric motorcycle before completing the purchase in Spain.
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